User manual

27
F. TROUBLESHOOTING
F. TROUBLESHOOTINGF. TROUBLESHOOTING
F. TROUBLESHOOTING
The following guideline may be helpful for basic problem solving.
No.
No.No.
No.
INVERTER STATUS
INVERTER STATUSINVERTER STATUS
INVERTER STATUS POSSIBLE CAUSE
POSSIBLE CAUSEPOSSIBLE CAUSE
POSSIBLE CAUSE ACTION
ACTIONACTION
ACTION
1
AC utility power is normal. NVERTER is
running normally, but fault LED lights up.
Buzzer beeps continuously.
1. Charger PCB is
damaged.
2. Fan is damaged.
3. Unknown
1. Replace the charger PCB.
2. Replace the fan.
3. Restart INVERTER
3
AC utility power is normal but INVERTER is
overloaded. Warning LED lights up and
buzzer beeps per second.
Overload
100%< load< 125%
Please reduce the critical load to
<100%.
4
AC utility power is normal. Warning LED does
not fade out and buzzer beeps per 0.5
second.
Overload
125%< load<150%
Please reduce the critical load to
<100%.
5
AC utility power is normal. Warning LED
lights up and buzzer beeps continuously.
Overload
150%< load
Please reduce the critical load to
<100%.
6
AC utility power fails .The load is supplied by
battery power. Buzzer alarm sounds every 4
seconds.
1. AC utility power
failure.
2. AC input connection
may be not correct.
1. Reduce the less critical load in
order to extend backup time.
2. Please check the rated input or
connected line.
7
AC utility fails. INVERTER is in battery backup
mode. Buzzer alarm beeps every second.
Battery power is
approaching low level.
INVERTER will shut down
automatically. Please save data or
turn off the loads soon.
8
AC utility power fails. INVERTER has shut
down automatically.
Battery runs out INVERTER will restart up when AC
utility power is restored.
F
FF
F-
--
-1 COMMON ERROR CODES
1 COMMON ERROR CODES1 COMMON ERROR CODES
1 COMMON ERROR CODES
please do not attempt to engage self
please do not attempt to engage selfplease do not attempt to engage self
please do not attempt to engage self-
--
-repair or replacement of internal PCBs without prior
repair or replacement of internal PCBs without priorrepair or replacement of internal PCBs without prior
repair or replacement of internal PCBs without prior
authorization as this will avoid warranty! Contact your seller for further instruction.
authorization as this will avoid warranty! Contact your seller for further instruction.authorization as this will avoid warranty! Contact your seller for further instruction.
authorization as this will avoid warranty! Contact your seller for further instruction.
Problems
ProblemsProblems
Problems
LCD Display
LCD DisplayLCD Display
LCD Display
Solutions
SolutionsSolutions
Solutions
AC Abnormal
AC AbnormalAC Abnormal
AC Abnormal I/P Polarity ERR Check(Only 120V
Check(Only 120V Check(Only 120V
Check(Only 120V Series) :
Series) :Series) :
Series) :
AC INPUT N – GND VOL > 1V
Solutions : Improve the grounding of AC main.
Solutions : Improve the grounding of AC main.Solutions : Improve the grounding of AC main.
Solutions : Improve the grounding of AC main.